
BSAC 204-Before-final-exam_Part 1
Authored by Wipark Anutrasakda
Chemistry
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conjugate base of HCO3- ?
H2CO3
CO32-
CO2
CO3-
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following CANNOT act as a Lewis acid ?
AlCl3
Cu2+
CO2
Cl-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following species is the softest base?
F-
Cl-
Br-
I-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the estimated pKa1 of H2CO3 ? (pKa = 8-5p)
8
3
-2
-7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is symbol of pure acetic acid?
CH3COOH (aq)
CH3COOH (l)
CH3CH2COOH (aq)
CH3CH2COOH (l)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following acids has its pKa value falling in the discrimination window of water?
HNO3
HCl
HClO4
HCOOH
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which species is formed when MgO reacts with H2O?
H+
OH-
MgH2
O2-
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